Yesterday I finished entering about 300 cards. Today I couldn't open the file. I am near to panic. Can someone fix the file please?
Ver 1.3.0 (200803122134) - Java 1.6.0_11 , OS Windows Vista
java.io.IOException: Character reference "" is an invalid XML character.
at jmemorize.core.Main.loadLesson(Unknown Source)
at jmemorize.gui.swing.frames.MainFrame.loadLesson(Unknown Source)
at jmemorize.core.Main.run(Unknown Source)
at jmemorize.core.Main.main(Unknown Source)